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Suppose the age that children learn to walk is normally distributed with mean 12 months...

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Suppose the age that children learn to walk is normally distributed with mean 12 months and standard deviation 1 4 month 14 randomly selected people were asked what age they learned to walk Round all answers to 4 decimal places where possible a What is the distribution of X X NO b What is the distribution of N c What is the probability that one randomly selected person learned to walk when the person was between 11 and 13 months old d For the 14 people find the probability that the average age that they learned to walk is between 11 and 13 months old e For part d is the assumption that the distribution is normal necessary O Yes No f Find the IQR for the average first time walking age for groups of 14 people Q1 months Q3 months IQR months

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